The Kyosho IFW425B offers a stronger rear universal swing shaft for MP9 owners aiming to reduce driveline flex and sharpen cornering predictability.
Precision-made to resist deformation, the IFW425B holds up under load and helps deliver repeatable handling lap after lap.
Supplied as a direct replacement for IFW404 and IFW404B, this shaft allows a straight swap with no chassis modification required.
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